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Finding the Fourth Proportional to 314.85, 472.26 and 184.44

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Solution

The fourth proportional to 314.85, 472.26 and 184.44 is: 276.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    314.85 : 472.26 = 184.44 : x
  2. Step 2: Convert to fraction form
    314.85/472.26 = 184.44/x
  3. Step 3: Cross multiply
    314.85x = 472.26 × 184.44
  4. Step 4: Simplify right side
    314.85x = 87,103.63
  5. Step 5: Solve for x
    x = 87,103.63/314.85
  6. Step 6: Final answer
    x = 276.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.